Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 3.79
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -1.08 -0.375 0.40
Prot (kg) -3.20 -0.441 1.41
Fertility Sub Index 3.08
Calving Interval (days) -1.58 -1.459 2.31
Survival (%) 0.69 1.117 0.77
Calving Sub Index 0.76
Gestation Length (days) -0.83 -0.919 0.76
Beef Sub Index 0.00
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.33 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 4.87
Live WT (kg) -15.90 -0.307 4.87
Total Carbon Sub Index 12.51

* Based on an €80/tonne carbon price